UserService (anvil-api 0.1 API)

```
public interface UserService<TUser,TPlayer>
```
Service for translating UUIDs to UserNames or UserNames to UUIDs

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`java.util.Optional<TUser>`	`get(java.lang.String userName)`
`java.util.Optional<TUser>`	`get(java.util.UUID userUUID)`
`java.util.Collection<TPlayer>`	`getOnlinePlayers()`
`java.util.Optional<TPlayer>`	`getPlayer(java.lang.String userName)`
`java.util.Optional<TPlayer>`	`getPlayer(java.util.UUID userUUID)`
`java.lang.String`	`getUserName(TUser user)`
`java.util.concurrent.CompletableFuture<java.util.Optional<java.lang.String>>`	`getUserName(java.util.UUID userUUID)`
`java.util.concurrent.CompletableFuture<java.util.Optional<java.util.UUID>>`	`getUUID(java.lang.String userName)`
`java.util.UUID`	`getUUID(TUser user)`

java.util.Optional<TUser> get(java.lang.String userName)

java.util.Optional<TUser> get(java.util.UUID userUUID)

java.util.Optional<TPlayer> getPlayer(java.lang.String userName)

java.util.Optional<TPlayer> getPlayer(java.util.UUID userUUID)

java.util.Collection<TPlayer> getOnlinePlayers()

java.util.concurrent.CompletableFuture<java.util.Optional<java.util.UUID>> getUUID(java.lang.String userName)

java.util.concurrent.CompletableFuture<java.util.Optional<java.lang.String>> getUserName(java.util.UUID userUUID)

java.lang.String getUserName(TUser user)

Interface UserService<TUser,TPlayer>